# Field boundaries for Lower Saxony, Germany

Provides ca. 550.000 official field boundaries from the federal state of Lower Saxony in Germany.
It has been converted to a fiboa GeoParquet file from a Shapefile that was provided by the state.

- **Source Data Provider:** [ML/SLA Niedersachsen](https://sla.niedersachsen.de/landentwicklung/LEA/)
- **Converted by:** [Matthias Mohr](https://mohr.ws)
- **License:** [Data licence Germany – attribution – Version 2.0](https://www.govdata.de/dl-de/by-2-0)
- **Projection:** EPSG:25832 (UTM 32N)

---

- **[Download the data as fiboa GeoParquet](https://data.source.coop/fiboa/de-nds/FB_NDS.parquet)**
- [STAC Browser](https://radiantearth.github.io/stac-browser/#/external/data.source.coop/fiboa/de-nds/stac/collection.json)
- [STAC Collection](https://data.source.coop/fiboa/de-nds/stac/collection.json)
- [PMTiles](https://data.source.coop/fiboa/de-nds/FB_NDS.pmtiles)

## Columns

| Property               | Data Type | Description                                                  |
| ---------------------- | --------- | ------------------------------------------------------------ |
| id                     | string    | Numerical internal identifier, same as `flik`.               |
| flik                   | string    | Area identifier for field blocks. Example: `DENILI0552020444` |
| determination_datetime | datetime  | Valid since the given date.                                  |
| area                   | float     | Area in ha                                                   |
| perimeter              | float     | Length of boundary in m                                      |
| ant_jahr               | string    | Year of claim, e.g. `2024`                                   |
| bnk                    | string    | Category of land use, short code. One of: AFF*, AL, AL*, DK, DK*, GL, GL*, MB, SO, SO* |
| bnk_txt                | string    | Textual representation of BNK in German                      |

## Lineage 

- Data downloaded on 2024-04-12 from https://sla.niedersachsen.de/mapbender_sla/download/FB_NDS.zip.
- Converted to GeoParquet using [fiboa-cli](https://github.com/fiboa/cli), version 0.3.2-dev.
- Data: © ML/SLA Niedersachsen (2024), dl-de/by-2-0 (www.govdata.de/dl-de/by-2-0), Daten bearbeitet